Kontron AM4140 U-Boot Bootloader Manuale Utente Scaricare il pdf (Pagina 13)

AM4140 U-Boot Bootloader U-Boot Usage

ID 1052-0281, Rev. 1.0 Page 13

P R E L I M I N A R Y

mmcinfo Display MMC info

mtdparts Define flash/nand partitions

mtest Simple RAM read/write test

mw Memory write (fill)

nand NAND subsystem

nboot Boot from NAND device

nfs Boot image via network using NFS protocol

nm Memory modify (constant address)

pci List and access PCI Configuration Space

ping Send ICMP ECHO_REQUEST to network host

printenv Print environment variables

reginfo Print register information

reset Perform RESET of the CPU

run Run commands in an environment variable

saveenv Save environment variables to persistent storage

saves Save S-Record file over serial line

setenv Set environment variables

setexpr Set environment variable as the result of eval expression

sf SPI flash subsystem

showvar Print local hushshell variables

sleep Delay execution for some time

source Run script from memory

test Minimal test like /bin/sh

tftpboot Boot image via network using TFTP protocol

true Do nothing, successfully

ubi ubi commands

ubifsload Load file from an UBIFS filesystem

ubifsls List files in a directory

ubifsmount Mount UBIFS volume

ubifsumount Unmount UBIFS volume

version Print monitor, compiler and linker version

Table 1: Standard U- Boot Commands Configured for the AM4140 (continued)

COMMAND DESCRIPTION

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 45 46

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Kontron AM4140 U-Boot Bootloader Manuale Utente Pagina 13